CN112372008A - Double-channel three-spindle-box numerical control machine tool - Google Patents

Double-channel three-spindle-box numerical control machine tool Download PDF

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Publication number
CN112372008A
CN112372008A CN202011088621.1A CN202011088621A CN112372008A CN 112372008 A CN112372008 A CN 112372008A CN 202011088621 A CN202011088621 A CN 202011088621A CN 112372008 A CN112372008 A CN 112372008A
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CN
China
Prior art keywords
spindle box
spindle
headstock
machine tool
box
Prior art date
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Pending
Application number
CN202011088621.1A
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Chinese (zh)
Inventor
高杰
朱张泉
蒋利荣
骆宇峰
周锋
金淼龙
吴家文
余铁均
郭周斌
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Zhejiang Hailiang Co Ltd
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Zhejiang Hailiang Co Ltd
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Filing date
Publication date
Application filed by Zhejiang Hailiang Co Ltd filed Critical Zhejiang Hailiang Co Ltd
Priority to CN202011088621.1A priority Critical patent/CN112372008A/en
Publication of CN112372008A publication Critical patent/CN112372008A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/70Stationary or movable members for carrying working-spindles for attachment of tools or work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/08Work-clamping means other than mechanically-actuated
    • B23Q3/082Work-clamping means other than mechanically-actuated hydraulically actuated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/04Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers

Abstract

The double-channel three-spindle-box numerical control machine tool solves the problems that in the prior art, the machining efficiency of a large batch of workpieces is low, the workpieces cannot be machined at one time, and multiple workpieces cannot be machined synchronously; the technical scheme for solving the technical problem comprises a base, wherein a first spindle box, a second spindle box and a third spindle box are arranged on the base, the first spindle box cannot slide, the second spindle box and the third spindle box both slide along a plane vertical to the axis of a spindle of the second spindle box, and the first spindle box and the second spindle box are arranged in the same column; the second spindle box and the third spindle box can slide until the axes of the second spindle box and the third spindle box are collinear; the base is provided with a first servo sliding table positioned in the middle of the first spindle box, the second spindle box and the third spindle box, and the base is provided with a feeding mechanism positioned on one side of the first spindle box; the utilization rate of each processing part of the machine tool can be effectively improved, and the three shafts can be synchronously processed to improve the working efficiency.

Description

Double-channel three-spindle-box numerical control machine tool
Technical Field
The invention relates to the technical field of numerical control machines, in particular to a double-channel three-spindle-box numerical control machine.
Background
The numerical control machine tool is an automatic machine tool provided with a program control system, can well solve the problem of complex, precise, small-batch and multi-variety part processing, is a flexible and high-efficiency automatic machine tool, represents the development direction of modern machine tool control technology, and is a typical mechanical and electrical integration product.
However, when a large batch of parts are machined by the conventional common numerical control machine tool, particularly in the process of a workpiece needing multi-surface machining, because the positioning surface of the workpiece also needs to be machined, in the actual machining, the clamping state of the workpiece needs to be switched in the middle so as to complete the machining of the original reference surface, which greatly affects the production efficiency for the large batch machining of the parts; for example, for the machining of pipe joints, the structure of the part is not complex, but the end surfaces and the inner holes on two sides need to be machined respectively, and the two sides are mutually benchmark in the machining process, so that the traditional common machine tool and a numerical control machine tool need to replace a clamping mode to complete the machining of two sides, and the progress is seriously slowed down for large batches of orders; in addition, the existing machine tool can only complete one processing procedure at a time, such as drilling and turning, and when the numerical control machine tool is used, the processing procedure is generally carried out separately, and the operation of replacing a cutter and the like is required, so that the efficiency is also influenced; in addition, the existing multi-spindle numerical control machine tool generally only has one spindle to perform machining action, other spindles are idle in the period, the utilization rate of the multiple spindles is not high, and the overall machining efficiency of the numerical control machine tool is greatly reduced.
Therefore, the equipment which can automatically and quickly switch the clamping state, can synchronously carry out automatic operation of all working procedures on one piece of equipment and can complete the operation from feeding to finished product discharging at one time is very necessary.
Disclosure of Invention
The invention aims to provide a double-channel three-spindle-box numerical control machine tool, which aims to solve the problems that in the prior art, the machining efficiency of a large batch of workpieces is low, the workpieces cannot be machined at one time, multiple workpieces cannot be machined synchronously, and multiple spindles of the machine tool cannot be utilized efficiently.
The invention provides a double-channel three-spindle-box numerical control machine tool, which adopts the technical scheme for solving the technical problem that the numerical control machine tool comprises a base, wherein a first spindle box, a second spindle box and a third spindle box which are parallel to each other and distributed into two rows are arranged on the base; the second spindle box and the third spindle box can slide until the axes of the second spindle box and the third spindle box are collinear; the base is provided with a first servo sliding table located in the middle of the first spindle box, the second spindle box and the third spindle box, and the base is provided with a feeding mechanism located on one side of the first spindle box.
Preferably, a second saddle and a second sliding table are arranged on the base; the second spindle box is assembled with a second saddle and a second sliding table through a lead screw and a linear rail to realize the movement of the X/Z axis coordinate of the second spindle box; a third saddle and a third sliding table are arranged on the base; and the third spindle box is assembled with a third saddle and a third sliding table through a lead screw and a linear rail to form the movement of the X/Z axis coordinate of the third spindle box.
Preferably, the base on be fixed with the support frame, install the first servo slip table of following second headstock slip direction and arranging on the support frame, first servo slip table on install the hydraulic chuck.
Preferably, one end of the support frame, which is far away from the feeding mechanism, is provided with a fixed cutter seat.
Preferably, feed mechanism including fixing the support at the base lateral wall, install the servo slip table of second perpendicular with first servo slip table on the support, install the manipulator on the servo slip table of second.
Preferably, the second servo sliding table can move along Y/Z axis coordinates, and the manipulator is controlled by a servo mechanism; for effecting adjustment of the angle.
Preferably, the second headstock is additionally provided with an internal supporting collet chuck for supporting and clamping the workpiece from an inner hole of the workpiece.
Preferably, the third headstock is provided with an outer collet chuck for supporting and clamping the workpiece from the outer edge of the workpiece.
Preferably, the hydraulic chuck can be respectively matched with the feeding mechanism, the first spindle box and the second spindle box to act.
Preferably, the first main spindle box, the second main spindle box and the third main spindle box are all provided with servo power heads.
According to the numerical control machine tool, different machining procedures are respectively completed in the machining process by designing the numerical control machine tool with three mutually parallel main shafts, the first main shaft box is a drilling main shaft and is a fixed shaft and cannot slide, the second main shaft box and the third main shaft box are both of structures capable of moving in X/Z axis coordinates, and the second main shaft box and the third main shaft box are distributed in two rows to form a three-main-shaft double-channel integral structure; in the actual working process, the feeding is directly shaken by the feeding mechanism, the workpiece is fed into the hydraulic chuck to be machined by matching with the mechanical arm, the workpiece is firstly drilled by the first spindle box, the workpiece is automatically controlled to enter the second spindle box for machining in the next procedure by servo driving of the hydraulic chuck, the second spindle box and the hydraulic chuck can automatically butt the workpiece, the workpiece can be machined on one side of the second spindle box, the second spindle box and the third spindle box can also move to be coaxial to butt the workpiece, the workpiece clamping surface and the machining surface are switched, and the other side of the workpiece is machined by matching with the fixed cutter holder.
In summary, the technical scheme of the invention at least has the following beneficial effects:
1. the workpiece can complete all processing procedures on one machine tool; the automation degree is high, and the processing efficiency is obviously improved;
2. in the machining process of each part, a plurality of workpieces can synchronously carry out machining operation of different procedures, so that three-axis synchronous working is realized, and the utilization rate of a machine tool is high;
3. in the machining process of the workpiece, clamping butt joint and face changing machining are automatically controlled by an internal mechanism of the machine tool, so that manual participation is reduced, and the accuracy and the efficiency are improved;
4. the structure of each part of the machine tool is compact, and the work piece can be conveniently switched among the working procedures.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a top view of the present invention;
FIG. 2 is a rear sectional view of the present invention;
FIG. 3 is a perspective view of the present invention;
FIG. 4 is a schematic feed diagram of the present invention;
FIG. 5 is a schematic illustration of the robot loading of the present invention;
FIG. 6 is a schematic view of the butt joint of the workpieces of the second headstock and the third headstock of the present invention;
FIG. 7 is a schematic view of the turning process of the third headstock and the fixed tool apron of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As can be seen from fig. 1 to 7, the invention provides a dual-channel three-spindle-box numerical control machine tool, which comprises a base 1, wherein a first spindle box 2, a second spindle box 3 and a third spindle box 4 which are parallel to each other and are distributed oppositely into two rows are arranged on the base 1, the first spindle box 2 is not slidable, the second spindle box 3 and the third spindle box 4 both slide along a plane perpendicular to the axis of a spindle of the first spindle box, and the first spindle box 2 and the second spindle box 3 are arranged in the same row; the common numerical control machine tool generally only has the design of a single main shaft or two main shafts, the invention adds the design of a first main shaft box 2, and the first main shaft box 2 is a fixed shaft and is used as a drilling shaft; a support frame 10 is fixed on the base 1, a first servo sliding table 5 arranged along the sliding direction of the second spindle box 3 is mounted on the support frame 10, and a hydraulic chuck 11 is mounted on the first servo sliding table 5; the hydraulic chuck 11 is used for fixing a workpiece, the hydraulic chuck 11 is controlled by the first servo sliding table 5, the first spindle box 2, the second spindle box 3 and the third spindle box 4 are all provided with servo power heads, and the first servo sliding table 5 can control the hydraulic chuck 11 to move to different stations to correspond to different spindle boxes so as to complete different machining processes; the second spindle box 3 and the third spindle box 4 can slide until the axes of the two are collinear; when the two are collinear, the butt joint of workpieces can be carried out, the switching of the processing surfaces is realized, and a feeding mechanism positioned on one side of the first spindle box 2 is arranged on the base 1; the feeding mechanism adopts a direct vibration feeding mode to carry out feeding.
One of the preferred embodiments of the present invention is; a second saddle 6 and a second sliding table 7 are arranged on the base 1; the second spindle box 3 is assembled with a second saddle 6 and a second sliding table 7 through a lead screw and a linear rail to realize the movement of the second spindle box 3X/Z axis coordinate; a third saddle 8 and a third sliding table 9 are arranged on the base 1; the third spindle box 4 is assembled with a third saddle 8 and a third sliding table 9 through a lead screw and a linear rail to form the movement of the X/Z axis coordinate of the third spindle box 4; the second spindle box 3 and the third spindle box 4 can both realize X/Z axis coordinate movement, and in a specific working process, corresponding sliding can be carried out as required to complete butt joint of workpieces and machining of the workpieces.
In the invention, a fixed cutter holder 12 is arranged on a support frame 10; the fixed tool apron 2 is designed with two, is responsible for respectively forming a turning technician in cooperation with the second main spindle box 3 and the third main spindle box 4, and in a specific machining process, a cutting tool is fixed on the fixed tool apron 12, a workpiece is clamped on the second main spindle box 3 and the third main spindle box 4, the workpiece is machined by the rotation of the main spindle boxes and the cutting tool together, and the principle that the workpiece is machined by the rotation of the tool is different from that of a traditional machine tool.
In order to realize the automatic operation of feeding, the feeding mechanism comprises a bracket 13 fixed on the side wall of the base 1, a second servo sliding table 14 vertical to the first servo sliding table 5 is arranged on the bracket 13, and a manipulator 15 is arranged on the second servo sliding table 14; the second servo sliding table 14 can move along Y/Z axis coordinates, and the manipulator 15 is controlled by a servo mechanism and is used for realizing angle adjustment; the robot 15 controls the gripping and feeding mechanism to pick up the work in the feed mechanism and feed the work onto the hydraulic chucks 11 by the movement of the second servo slide 14 and the rotation of the robot 15.
In the invention, the second spindle box 3 and the third spindle box 4 are respectively provided with a clamp, but the clamp types of the second spindle box and the third spindle box are different, and the second spindle box 3 is additionally provided with an internal support collet chuck 16 for supporting and clamping a workpiece from an inner hole of the workpiece; the third main spindle box 4 is provided with an outer clamping collet 17 which is used for supporting and clamping the workpiece from the outer edge of the workpiece; the selection of the clamp considers the requirement of a processing surface and is convenient for discharging, the third spindle box 4 is used as the last processing procedure, and after the processing is finished, the outer clamping collet 17 is adopted to facilitate automatic material discharging.
The hydraulic chuck 11 can respectively cooperate with the feeding mechanism, the first spindle box 2 and the second spindle box 3; the hydraulic chuck 11 has three operating positions during operation, respectively A, B, C as shown in fig. 2.
In the specific use process of the invention, the processing process is further explained by taking the processing of a tube structure as an example, 1, feeding; the method is carried out by a feeding mechanism, and the conveying of the tube structure raw material is carried out in a direct vibration feeding mode; as shown in fig. 4;
2. feeding; as shown in fig. 5; the manipulator 15 is controlled by the second servo sliding table 14 to clamp the material from the material channel, the material is fed into the hydraulic chuck 11 under the control of the servo mechanism, and the workpiece is clamped by the hydraulic chuck 11; the hydraulic chuck 11 is now in the C position, as shown in fig. 2;
3. drilling; the hydraulic chuck 11 is moved to a position corresponding to the first headstock 2, as shown in position B in fig. 2, by the first servo slide 5; the first main spindle box 2 is a drilling shaft and is used for drilling workpiece raw materials;
4. the hydraulic chuck 11 is in material butt joint with the second spindle box 3, and at the moment, the hydraulic chuck 11 moves to a position corresponding to the second spindle box 3, such as a position C shown in the attached drawing 2; the workpiece is inserted into a workpiece hole through an inner supporting collet chuck 16 on the second spindle box 3, supporting and clamping of the workpiece are achieved from the inner hole, and meanwhile the workpiece is loosened through a hydraulic collet chuck 11;
5. turning one surface of a workpiece; after the second spindle box 3 receives the material, the second spindle box moves to the position of the fixed tool apron 12 through the X axis, and meanwhile, the hydraulic chuck 11 returns to the material receiving position to carry out next feeding operation; the second spindle box 3 is matched with a cutter on the fixed tool apron 12 through rotation to realize cutting machining of one surface of a workpiece;
6. workpieces of the second spindle box 3 and the third spindle box 4 are butted; as shown in fig. 6, the second spindle box 3 and the third spindle box 4 move along the X-axis direction until the axes are collinear, and the workpieces are butted; the third spindle box 4 clamps the machined surface of the workpiece through an outer clamping collet 17 for butt joint;
7. turning the other surface of the workpiece; as shown in fig. 7, the third spindle box 4 moves the workpiece to the position of the fixed tool apron 12, and the other surface of the workpiece is cut and machined by rotating and matching with the tool on the fixed tool apron 12; meanwhile, the second spindle box 3 returns to be in butt joint with the hydraulic chuck 11 for the next workpiece;
8. removing materials; after the material of the second spindle box 4 is processed, the outer clamping collet 17 is directly and automatically loosened to carry out the material removing operation, and the next workpiece butt joint is carried out.
The whole processing process of the workpiece can be automatically realized through the steps, repeated manual clamping is not needed in the process of drilling and turning the double surfaces of one workpiece in the processing process, and the whole process is automatically performed through a machine tool, so that the method is relative to a common numerical control machine; the efficiency is greatly improved; in addition, through the design of the hydraulic chuck 11 on the first servo sliding table 5, the transfer of workpieces at different stations can be realized; meanwhile, the effective utilization rate of each spindle box can be guaranteed, for example, drilling of the first spindle box 2, turning of the second spindle box 3 and cutting of the second spindle box 4 can be simultaneously carried out, the utilization rate of each part of a machine tool is effectively improved, the machining efficiency of workpieces can be greatly improved, and the spindle box has a good effect on large-batch products.
According to the invention, through the design of the three main shaft boxes, the hydraulic chuck, the feeding mechanism, the fixed tool apron and other parts, the automatic one-time processing of the workpiece can be realized; meanwhile, each part has compact structure and excellent overall performance.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims (10)

1. The double-channel three-spindle-box numerical control machine tool comprises a base (1) and is characterized in that the base (1) is provided with a first spindle box (2), a second spindle box (3) and a third spindle box (4) which are parallel to each other and distributed into two rows, the first spindle box (2) cannot slide, the second spindle box (3) and the third spindle box (4) both slide along a plane vertical to the axis of a spindle of the second spindle box, and the first spindle box (2) and the second spindle box (3) are arranged in the same row; the second spindle box (3) and the third spindle box (4) can slide until the axes of the two are collinear; install first servo slip table (5) that are located first headstock (2), second headstock (3) and third headstock (4) middle part on base (1), base (1) on install the feed mechanism who is located first headstock (2) one side.
2. The double-channel three-headstock numerical control machine tool according to claim 1, wherein a second saddle (6) and a second sliding table (7) are arranged on the base (1); the second spindle box (3) is assembled with a second saddle (6) and a second sliding table (7) through a lead screw and a linear rail to realize the movement of the X/Z axis coordinate of the second spindle box (3); a third saddle (8) and a third sliding table (9) are arranged on the base (1); and the third spindle box (4) is assembled with a third saddle (8) and a third sliding table (9) through a lead screw and a linear rail to form the movement of X/Z axis coordinates of the third spindle box (4).
3. The double-channel three-spindle-box numerical control machine tool according to claim 2 is characterized in that a support frame (10) is fixed on the base (1), a first servo sliding table (5) arranged along the sliding direction of the second spindle box (3) is installed on the support frame (10), and a hydraulic chuck (11) is installed on the first servo sliding table (5).
4. The numerical control machine tool with the double channels and the three main headstock as claimed in claim 3, wherein a fixed tool apron (12) is arranged at one end of the supporting frame (10) far away from the feeding mechanism.
5. The double-channel three-spindle-box numerical control machine tool is characterized in that the feeding mechanism comprises a support (13) fixed on the side wall of the base (1), a second servo sliding table (14) perpendicular to the first servo sliding table (5) is mounted on the support (13), and a manipulator (15) is mounted on the second servo sliding table (14).
6. The dual-channel three-headstock numerically-controlled machine tool according to claim 5, wherein the second servo sliding table (14) can move along Y/Z axis coordinates, and the manipulator (15) is controlled by a servo mechanism; for effecting adjustment of the angle.
7. The dual-channel three-headstock numerically-controlled machine tool according to claim 1, wherein the second headstock (3) is provided with an internal support collet (16) for supporting and clamping the workpiece from the inner hole of the workpiece.
8. The dual-channel three-headstock numerically-controlled machine tool according to claim 1, wherein the third headstock (4) is provided with an outer collet chuck (17) for supporting and clamping the workpiece from the outer edge of the workpiece.
9. The numerical control machine tool with the double channels and the three main spindle boxes according to claim 3 is characterized in that the hydraulic chucks (11) can respectively cooperate with the feeding mechanism, the first main spindle box (2) and the second main spindle box (3).
10. The dual-channel three-headstock numerically-controlled machine tool according to any one of claims 1 to 9, wherein the first headstock (2), the second headstock (3) and the third headstock (4) are provided with servo power heads.
CN202011088621.1A 2020-10-13 2020-10-13 Double-channel three-spindle-box numerical control machine tool Pending CN112372008A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011088621.1A CN112372008A (en) 2020-10-13 2020-10-13 Double-channel three-spindle-box numerical control machine tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011088621.1A CN112372008A (en) 2020-10-13 2020-10-13 Double-channel three-spindle-box numerical control machine tool

Publications (1)

Publication Number Publication Date
CN112372008A true CN112372008A (en) 2021-02-19

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Application Number Title Priority Date Filing Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115070465A (en) * 2022-07-07 2022-09-20 安庆中船动力配套有限公司 Connecting rod multi-station composite tool capable of improving machining efficiency
CN117300689A (en) * 2023-11-30 2023-12-29 常州帕而勒精密机械有限公司 Double-station special-shaped section milling machine tool

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115070465A (en) * 2022-07-07 2022-09-20 安庆中船动力配套有限公司 Connecting rod multi-station composite tool capable of improving machining efficiency
CN115070465B (en) * 2022-07-07 2023-09-19 安庆中船动力配套有限公司 Connecting rod multi-station composite tool capable of improving machining efficiency
CN117300689A (en) * 2023-11-30 2023-12-29 常州帕而勒精密机械有限公司 Double-station special-shaped section milling machine tool
CN117300689B (en) * 2023-11-30 2024-03-08 常州帕而勒精密机械有限公司 Double-station special-shaped section milling machine tool

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